Security readout for executives and security teams
Plain-English summary
Teleport had a vulnerability where build artifacts could be altered in some situations. The public record names fixed release lines but gives little operational detail. Business urgency depends on whether the organization uses affected Teleport versions or relies on Teleport artifact integrity.
Executive priority
Prioritize as an integrity and supply-chain concern if Teleport is used in security-critical access infrastructure. With no severity score or exploitation evidence provided, treat it as a controlled upgrade and validation task rather than a confirmed emergency.
Technical view
CVE-2021-41394 affects Teleport before 4.4.11, 5.x before 5.2.4, 6.x before 6.2.12, and 7.x before 7.1.1. The described issue is alteration of build artifacts in some situations. No CVSS, CWE, configuration detail, or exploitation mechanics are provided in the source bundle.
Likely exposure
Exposure appears limited to organizations using affected Teleport versions before the named fixed releases. The bundle does not identify affected operating systems, deployment modes, required privileges, or specific build-artifact workflows.
Exploitation context
The CVE is not listed as KEV in the provided bundle. No cited source in the bundle reports active exploitation, public exploit availability, or observed attacks. Do not assume exploitation without additional vendor or threat-intelligence evidence.
Researcher notes
The public record is sparse: no CVSS, CWE, exploit preconditions, attack vector, or affected configuration details are included. Analysis should stay anchored to version exposure and artifact-integrity risk until more authoritative vendor details are available.
Mitigation direction
- Upgrade affected Teleport 4.x deployments to 4.4.11 or later.
- Upgrade affected Teleport 5.x deployments to 5.2.4 or later.
- Upgrade affected Teleport 6.x deployments to 6.2.12 or later.
- Upgrade affected Teleport 7.x deployments to 7.1.1 or later.
- Review Teleport release notes and vendor guidance for branch-specific instructions.
Validation and detection
- Inventory Teleport versions across production, staging, CI, and build environments.
- Confirm no deployed Teleport version predates the fixed release for its branch.
- Review artifact provenance and integrity controls for Teleport packages in use.
- Check vendor release notes for any additional verification or post-upgrade guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-41394 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/gravitational/teleport/releases/tag/v4.4.11CVE reference · x_refsource_MISC
- https://github.com/gravitational/teleport/releases/tag/v5.2.4CVE reference · x_refsource_MISC
- https://github.com/gravitational/teleport/releases/tag/v6.2.12CVE reference · x_refsource_MISC
- https://github.com/gravitational/teleport/releases/tag/v7.1.1CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.